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Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all. To have an event posted here please follow this link: Event Policy Submission & Guidelines.
Evergreen Experience the "WOW Factor" on this beautiful foothills course!!! Nothing beats this cool lake swim, spectacular road bike ride, and scenic dirt road & trail run - all just 20 minutes from Denver Evergreen Lake had not seen a triathlon since the early 90's when the Evergreen High Country Triathlon challenged athletes from around the country. We revived the tradition in 2012, and the course received rave reviews. Demand for the fifth edition of the Evergreen Sprint Triathlon…Find out more »
Morrison Enjoy a fun late season tri at beautiful Bear Creek Lake Park in the Lakewood/Morrison area. Set at the base of the foothills, the Littlefoot Triathlon starts off with a 750 meter swim in Soda Lake, with water temps expected to be approximately 70 degrees. Next, a rolling bike 15K bike ride that covers nearly the entire park, offering great views throughout! Finish it up with a scenic 5K run on a bike path that winds through the…Find out more »